Importance

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Abstract

Disclosed is a sensor, comprising: a housing; a detecting element provided inside the housing; a first cylinder provided inside the housing and sleeved outside the detecting element, the first cylinder having an amount of elastic deformation in a direction intersecting a surface around the detecting element; a particle filler, for filling an inner cavity of the housing. When external environment produces mechanical shock to the sensor or the sensor produces mechanical vibration, the limiting action of the first cylinder and the particle filler enables the detecting element to only have very little vibration displacement or even no vibration displacement with respect to the housing. The external mechanical shock can be partially or completely absorbed by the first cylinder and the particle filler, so as to reduce vibration displacement of the detecting element caused by the shock.

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First Claim